Guido van Rossum | 1846882 | 1994-06-20 07:49:28 +0000 | [diff] [blame] | 1 | /* tkintermodule.c -- Interface to libtk.a and libtcl.a. |
| 2 | Copyright (C) 1994 Steen Lumholt */ |
| 3 | |
| 4 | #if 0 |
| 5 | #include <Py/Python.h> |
| 6 | #else |
| 7 | |
| 8 | #include "allobjects.h" |
| 9 | #include "pythonrun.h" |
| 10 | #include "intrcheck.h" |
| 11 | #include "modsupport.h" |
| 12 | #include "sysmodule.h" |
| 13 | |
Guido van Rossum | 9bb4fd6 | 1994-08-09 14:15:19 +0000 | [diff] [blame] | 14 | #ifndef PyObject |
Guido van Rossum | 1846882 | 1994-06-20 07:49:28 +0000 | [diff] [blame] | 15 | #define PyObject object |
| 16 | typedef struct methodlist PyMethodDef; |
Guido van Rossum | 9bb4fd6 | 1994-08-09 14:15:19 +0000 | [diff] [blame] | 17 | #endif |
Guido van Rossum | 1846882 | 1994-06-20 07:49:28 +0000 | [diff] [blame] | 18 | #define PyInit_tkinter inittkinter |
| 19 | |
| 20 | #undef Py_True |
| 21 | #define Py_True ((object *) &TrueObject) |
| 22 | #undef True |
| 23 | |
| 24 | #undef Py_False |
| 25 | #define Py_False ((object *) &FalseObject) |
| 26 | #undef False |
| 27 | |
| 28 | #undef Py_None |
| 29 | #define Py_None (&NoObject) |
| 30 | #undef None |
| 31 | |
| 32 | #endif /* 0 */ |
| 33 | |
| 34 | #include <tcl.h> |
| 35 | #include <tk.h> |
| 36 | |
| 37 | extern char *getprogramname (); |
Guido van Rossum | d308e2b | 1994-07-07 09:25:12 +0000 | [diff] [blame] | 38 | |
| 39 | /* Internal declarations from tkInt.h. */ |
Guido van Rossum | 1846882 | 1994-06-20 07:49:28 +0000 | [diff] [blame] | 40 | extern int tk_NumMainWindows; |
Guido van Rossum | d308e2b | 1994-07-07 09:25:12 +0000 | [diff] [blame] | 41 | extern struct { Tk_Window win; } *tkMainWindowList; |
Guido van Rossum | 1846882 | 1994-06-20 07:49:28 +0000 | [diff] [blame] | 42 | |
| 43 | /**** Tkapp Object Declaration ****/ |
| 44 | |
| 45 | staticforward PyTypeObject Tkapp_Type; |
| 46 | |
| 47 | typedef struct |
| 48 | { |
| 49 | PyObject_HEAD |
| 50 | Tcl_Interp *interp; |
| 51 | Tk_Window tkwin; |
| 52 | } |
| 53 | TkappObject; |
| 54 | |
| 55 | #define Tkapp_Check(v) ((v)->ob_type == &Tkapp_Type) |
| 56 | #define Tkapp_Tkwin(v) (((TkappObject *) (v))->tkwin) |
| 57 | #define Tkapp_Interp(v) (((TkappObject *) (v))->interp) |
| 58 | #define Tkapp_Result(v) (((TkappObject *) (v))->interp->result) |
| 59 | |
| 60 | #define DEBUG_REFCNT(v) (printf ("DEBUG: id=%p, refcnt=%i\n", \ |
| 61 | (void *) v, ((PyObject *) v)->ob_refcnt)) |
| 62 | |
| 63 | /**** Error Handling ****/ |
| 64 | |
| 65 | static PyObject *Tkinter_TclError; |
Guido van Rossum | d308e2b | 1994-07-07 09:25:12 +0000 | [diff] [blame] | 66 | static int quitMainLoop = 0; |
Guido van Rossum | 1846882 | 1994-06-20 07:49:28 +0000 | [diff] [blame] | 67 | static int errorInCmd = 0; |
| 68 | static PyObject *excInCmd; |
| 69 | static PyObject *valInCmd; |
| 70 | |
| 71 | static PyObject * |
| 72 | Tkinter_Error (v) |
| 73 | PyObject *v; |
| 74 | { |
Guido van Rossum | 1846882 | 1994-06-20 07:49:28 +0000 | [diff] [blame] | 75 | PyErr_SetString (Tkinter_TclError, Tkapp_Result (v)); |
| 76 | return NULL; |
| 77 | } |
| 78 | |
| 79 | int |
| 80 | PythonCmd_Error (interp) |
| 81 | Tcl_Interp *interp; |
| 82 | { |
| 83 | errorInCmd = 1; |
| 84 | PyErr_GetAndClear (&excInCmd, &valInCmd); |
| 85 | return TCL_ERROR; |
| 86 | } |
| 87 | |
| 88 | /**** Utils ****/ |
| 89 | |
| 90 | static char * |
| 91 | AsString (value, tmp) |
| 92 | PyObject *value; |
| 93 | PyObject *tmp; |
| 94 | { |
| 95 | if (PyString_Check (value)) |
| 96 | return PyString_AsString (value); |
| 97 | else |
| 98 | { |
| 99 | PyObject *v; |
| 100 | |
| 101 | v = strobject (value); |
| 102 | PyList_Append (tmp, v); |
| 103 | Py_DECREF (v); |
| 104 | return PyString_AsString (v); |
| 105 | } |
| 106 | } |
| 107 | |
| 108 | #define ARGSZ 64 |
| 109 | |
| 110 | static char * |
| 111 | Merge (args) |
| 112 | PyObject *args; |
| 113 | { |
| 114 | PyObject *tmp; |
| 115 | char *argvStore[ARGSZ]; |
| 116 | char **argv; |
| 117 | int fvStore[ARGSZ]; |
| 118 | int *fv; |
| 119 | int argc; |
| 120 | char *res; |
| 121 | int i; |
| 122 | |
| 123 | tmp = PyList_New (0); |
| 124 | argv = argvStore; |
| 125 | fv = fvStore; |
| 126 | |
| 127 | if (!PyTuple_Check (args)) |
| 128 | { |
| 129 | argc = 1; |
| 130 | fv[0] = 0; |
| 131 | argv[0] = AsString (args, tmp); |
| 132 | } |
| 133 | else |
| 134 | { |
| 135 | PyObject *v; |
| 136 | |
| 137 | if (PyTuple_Size (args) > ARGSZ) |
| 138 | { |
| 139 | argv = malloc (PyTuple_Size (args) * sizeof (char *)); |
| 140 | fv = malloc (PyTuple_Size (args) * sizeof (int)); |
| 141 | if (argv == NULL || fv == NULL) |
| 142 | PyErr_NoMemory (); |
| 143 | } |
| 144 | |
| 145 | argc = PyTuple_Size (args); |
| 146 | for (i = 0; i < argc; i++) |
| 147 | { |
| 148 | v = PyTuple_GetItem (args, i); |
| 149 | if (PyTuple_Check (v)) |
| 150 | { |
| 151 | fv[i] = 1; |
| 152 | argv[i] = Merge (v); |
| 153 | } |
| 154 | else if (v == Py_None) |
| 155 | { |
| 156 | argc = i; |
| 157 | break; |
| 158 | } |
| 159 | else |
| 160 | { |
| 161 | fv[i] = 0; |
| 162 | argv[i] = AsString (v, tmp); |
| 163 | } |
| 164 | } |
| 165 | } |
| 166 | |
| 167 | res = Tcl_Merge (argc, argv); |
| 168 | |
| 169 | Py_DECREF (tmp); |
| 170 | for (i = 0; i < argc; i++) |
| 171 | if (fv[i]) free (argv[i]); |
| 172 | if (argv != argvStore) |
| 173 | free (argv); |
| 174 | if (fv != fvStore) |
| 175 | free (fv); |
| 176 | |
| 177 | return res; |
| 178 | } |
| 179 | |
| 180 | static PyObject * |
| 181 | Split (self, list) |
| 182 | PyObject *self; |
| 183 | char *list; |
| 184 | { |
| 185 | int argc; |
| 186 | char **argv; |
| 187 | PyObject *v; |
| 188 | |
| 189 | if (list == NULL) |
| 190 | { |
| 191 | Py_INCREF (Py_None); |
| 192 | return Py_None; |
| 193 | } |
| 194 | |
| 195 | if (Tcl_SplitList (Tkapp_Interp (self), list, &argc, &argv) == TCL_ERROR) |
| 196 | return Tkinter_Error (self); |
| 197 | |
| 198 | if (argc == 0) |
| 199 | v = PyString_FromString (""); |
| 200 | else if (argc == 1) |
| 201 | v = PyString_FromString (argv[0]); |
| 202 | else |
| 203 | { |
| 204 | int i; |
| 205 | |
| 206 | v = PyTuple_New (argc); |
| 207 | for (i = 0; i < argc; i++) |
| 208 | PyTuple_SetItem (v, i, Split (self, argv[i])); |
| 209 | } |
| 210 | |
| 211 | free (argv); |
| 212 | return v; |
| 213 | } |
| 214 | |
| 215 | /**** Tkapp Object ****/ |
| 216 | |
| 217 | #ifndef WITH_APPINIT |
| 218 | int |
| 219 | Tcl_AppInit (interp) |
| 220 | Tcl_Interp *interp; |
| 221 | { |
| 222 | if (Tcl_Init (interp) == TCL_ERROR) |
| 223 | return TCL_ERROR; |
| 224 | if (Tk_Init (interp) == TCL_ERROR) |
| 225 | return TCL_ERROR; |
| 226 | return TCL_OK; |
| 227 | } |
| 228 | #endif /* !WITH_APPINIT */ |
| 229 | |
| 230 | /* Initialize the Tk application; see the `main' function in |
| 231 | `tkMain.c'. */ |
| 232 | static TkappObject * |
| 233 | Tkapp_New (screenName, baseName, className, interactive) |
| 234 | char *screenName; |
| 235 | char *baseName; |
| 236 | char *className; |
| 237 | int interactive; |
| 238 | { |
| 239 | TkappObject *v; |
| 240 | |
| 241 | v = PyObject_NEW (TkappObject, &Tkapp_Type); |
| 242 | if (v == NULL) |
| 243 | return NULL; |
| 244 | |
| 245 | v->interp = Tcl_CreateInterp (); |
| 246 | v->tkwin = Tk_CreateMainWindow (v->interp, screenName, |
| 247 | baseName, className); |
| 248 | if (v->tkwin == NULL) |
| 249 | return (TkappObject *) Tkinter_Error ((PyObject *) v); |
| 250 | |
| 251 | Tk_GeometryRequest (v->tkwin, 200, 200); |
| 252 | |
| 253 | if (screenName != NULL) |
| 254 | Tcl_SetVar2 (v->interp, "env", "DISPLAY", screenName, TCL_GLOBAL_ONLY); |
| 255 | |
| 256 | if (interactive) |
| 257 | Tcl_SetVar (v->interp, "tcl_interactive", "1", TCL_GLOBAL_ONLY); |
| 258 | else |
| 259 | Tcl_SetVar (v->interp, "tcl_interactive", "0", TCL_GLOBAL_ONLY); |
| 260 | |
Guido van Rossum | 1846882 | 1994-06-20 07:49:28 +0000 | [diff] [blame] | 261 | if (Tcl_AppInit (v->interp) != TCL_OK) |
| 262 | { |
| 263 | PyErr_SetString (Tkinter_TclError, "Tcl_AppInit failed"); /* XXX */ |
| 264 | return NULL; |
| 265 | } |
Guido van Rossum | 1846882 | 1994-06-20 07:49:28 +0000 | [diff] [blame] | 266 | |
| 267 | return v; |
| 268 | } |
| 269 | |
| 270 | /** Tcl Eval **/ |
| 271 | |
| 272 | static PyObject * |
| 273 | Tkapp_Call (self, args) |
| 274 | PyObject *self; |
| 275 | PyObject *args; |
| 276 | { |
| 277 | char *cmd; |
| 278 | |
| 279 | cmd = Merge (args); |
| 280 | if (Tcl_Eval (Tkapp_Interp (self), cmd) == TCL_ERROR) |
| 281 | { |
| 282 | free (cmd); |
| 283 | return Tkinter_Error (self); |
| 284 | } |
| 285 | |
| 286 | free (cmd); |
| 287 | return PyString_FromString (Tkapp_Result (self)); |
| 288 | } |
| 289 | |
| 290 | static PyObject * |
| 291 | Tkapp_GlobalCall (self, args) |
| 292 | PyObject *self; |
| 293 | PyObject *args; |
| 294 | { |
| 295 | char *cmd; |
| 296 | |
| 297 | cmd = Merge (args); |
| 298 | if (Tcl_GlobalEval (Tkapp_Interp (self), cmd) == TCL_ERROR) |
| 299 | { |
| 300 | free (cmd); |
| 301 | return Tkinter_Error (self); |
| 302 | } |
| 303 | |
| 304 | free (cmd); |
| 305 | return PyString_FromString (Tkapp_Result (self)); |
| 306 | } |
| 307 | |
| 308 | static PyObject * |
| 309 | Tkapp_Eval (self, args) |
| 310 | PyObject *self; |
| 311 | PyObject *args; |
| 312 | { |
| 313 | char *script; |
| 314 | |
| 315 | if (!PyArg_Parse (args, "s", &script)) |
| 316 | return NULL; |
| 317 | |
| 318 | if (Tcl_Eval (Tkapp_Interp (self), script) == TCL_ERROR) |
| 319 | return Tkinter_Error (self); |
| 320 | |
| 321 | return PyString_FromString (Tkapp_Result (self)); |
| 322 | } |
| 323 | |
| 324 | static PyObject * |
| 325 | Tkapp_GlobalEval (self, args) |
| 326 | PyObject *self; |
| 327 | PyObject *args; |
| 328 | { |
| 329 | char *script; |
| 330 | |
| 331 | if (!PyArg_Parse (args, "s", &script)) |
| 332 | return NULL; |
| 333 | |
| 334 | if (Tcl_GlobalEval (Tkapp_Interp (self), script) == TCL_ERROR) |
| 335 | return Tkinter_Error (self); |
| 336 | |
| 337 | return PyString_FromString (Tkapp_Result (self)); |
| 338 | } |
| 339 | |
| 340 | static PyObject * |
| 341 | Tkapp_EvalFile (self, args) |
| 342 | PyObject *self; |
| 343 | PyObject *args; |
| 344 | { |
| 345 | char *fileName; |
| 346 | |
| 347 | if (!PyArg_Parse (args, "s", &fileName)) |
| 348 | return NULL; |
| 349 | |
| 350 | if (Tcl_EvalFile (Tkapp_Interp (self), fileName) == TCL_ERROR) |
| 351 | return Tkinter_Error (self); |
| 352 | |
| 353 | return PyString_FromString (Tkapp_Result (self)); |
| 354 | } |
| 355 | |
| 356 | static PyObject * |
| 357 | Tkapp_Record (self, args) |
| 358 | PyObject *self; |
| 359 | PyObject *args; |
| 360 | { |
| 361 | char *script; |
| 362 | |
| 363 | if (!PyArg_Parse (args, "s", &script)) |
| 364 | return NULL; |
| 365 | |
| 366 | if (Tcl_RecordAndEval (Tkapp_Interp (self), |
| 367 | script, TCL_NO_EVAL) == TCL_ERROR) |
| 368 | return Tkinter_Error (self); |
| 369 | |
| 370 | return PyString_FromString (Tkapp_Result (self)); |
| 371 | } |
| 372 | |
| 373 | static PyObject * |
| 374 | Tkapp_AddErrorInfo (self, args) |
| 375 | PyObject *self; |
| 376 | PyObject *args; |
| 377 | { |
| 378 | char *msg; |
| 379 | |
| 380 | if (!PyArg_Parse (args, "s", &msg)) |
| 381 | return NULL; |
| 382 | Tcl_AddErrorInfo (Tkapp_Interp (self), msg); |
| 383 | |
| 384 | Py_INCREF(Py_None); |
| 385 | return Py_None; |
| 386 | } |
| 387 | |
| 388 | /** Tcl Variable **/ |
| 389 | |
| 390 | static PyObject * |
| 391 | SetVar (self, args, flags) |
| 392 | PyObject *self; |
| 393 | PyObject *args; |
| 394 | int flags; |
| 395 | { |
| 396 | char *name1, *name2, *ok; |
| 397 | PyObject *newValue; |
| 398 | PyObject *tmp; |
| 399 | |
| 400 | tmp = PyList_New (0); |
| 401 | |
| 402 | if (PyArg_Parse (args, "(sO)", &name1, &newValue)) |
| 403 | ok = Tcl_SetVar (Tkapp_Interp (self), name1, |
| 404 | AsString (newValue, tmp), flags); /* XXX Merge? */ |
| 405 | else if (PyArg_Parse (args, "(ssO)", &name1, &name2, &newValue)) |
| 406 | ok = Tcl_SetVar2 (Tkapp_Interp (self), name1, name2, |
| 407 | AsString (newValue, tmp), flags); |
| 408 | else |
| 409 | { |
| 410 | Py_DECREF (tmp); |
| 411 | return NULL; |
| 412 | } |
| 413 | Py_DECREF (tmp); |
| 414 | |
| 415 | if (!ok) |
| 416 | return Tkinter_Error (self); |
| 417 | |
| 418 | Py_INCREF (Py_None); |
| 419 | return Py_None; |
| 420 | } |
| 421 | |
| 422 | static PyObject * |
| 423 | Tkapp_SetVar (self, args) |
| 424 | PyObject *self; |
| 425 | PyObject *args; |
| 426 | { |
| 427 | return SetVar (self, args, TCL_LEAVE_ERR_MSG); |
| 428 | } |
| 429 | |
| 430 | static PyObject * |
| 431 | Tkapp_GlobalSetVar (self, args) |
| 432 | PyObject *self; |
| 433 | PyObject *args; |
| 434 | { |
| 435 | return SetVar (self, args, TCL_LEAVE_ERR_MSG | TCL_GLOBAL_ONLY); |
| 436 | } |
| 437 | |
| 438 | static PyObject * |
| 439 | GetVar (self, args, flags) |
| 440 | PyObject *self; |
| 441 | PyObject *args; |
| 442 | int flags; |
| 443 | { |
| 444 | char *name1, *name2, *s; |
| 445 | |
| 446 | if (PyArg_Parse (args, "s", &name1)) |
| 447 | s = Tcl_GetVar (Tkapp_Interp (self), name1, flags); |
| 448 | else if (PyArg_Parse (args, "(ss)", &name1, &name2)) |
| 449 | s = Tcl_GetVar2 (Tkapp_Interp (self), name1, name2, flags); |
| 450 | else |
| 451 | return NULL; |
| 452 | |
| 453 | if (s == NULL) |
| 454 | return Tkinter_Error (self); |
| 455 | |
| 456 | return PyString_FromString (s); |
| 457 | } |
| 458 | |
| 459 | static PyObject * |
| 460 | Tkapp_GetVar (self, args) |
| 461 | PyObject *self; |
| 462 | PyObject *args; |
| 463 | { |
| 464 | return GetVar (self, args, TCL_LEAVE_ERR_MSG); |
| 465 | } |
| 466 | |
| 467 | static PyObject * |
| 468 | Tkapp_GlobalGetVar (self, args) |
| 469 | PyObject *self; |
| 470 | PyObject *args; |
| 471 | { |
| 472 | return GetVar (self, args, TCL_LEAVE_ERR_MSG | TCL_GLOBAL_ONLY); |
| 473 | } |
| 474 | |
| 475 | static PyObject * |
| 476 | UnsetVar (self, args, flags) |
| 477 | PyObject *self; |
| 478 | PyObject *args; |
| 479 | int flags; |
| 480 | { |
| 481 | char *name1, *name2; |
| 482 | int code; |
| 483 | |
| 484 | if (PyArg_Parse (args, "s", &name1)) |
| 485 | code = Tcl_UnsetVar (Tkapp_Interp (self), name1, flags); |
| 486 | else if (PyArg_Parse (args, "(ss)", &name1, &name2)) |
| 487 | code = Tcl_UnsetVar2 (Tkapp_Interp (self), name1, name2, flags); |
| 488 | else |
| 489 | return NULL; |
| 490 | |
| 491 | if (code == TCL_ERROR) |
| 492 | return Tkinter_Error (self); |
| 493 | |
| 494 | Py_INCREF (Py_None); |
| 495 | return Py_None; |
| 496 | } |
| 497 | |
| 498 | static PyObject * |
| 499 | Tkapp_UnsetVar (self, args) |
| 500 | PyObject *self; |
| 501 | PyObject *args; |
| 502 | { |
| 503 | return UnsetVar (self, args, TCL_LEAVE_ERR_MSG); |
| 504 | } |
| 505 | |
| 506 | static PyObject * |
| 507 | Tkapp_GlobalUnsetVar (self, args) |
| 508 | PyObject *self; |
| 509 | PyObject *args; |
| 510 | { |
| 511 | return UnsetVar (self, args, TCL_LEAVE_ERR_MSG | TCL_GLOBAL_ONLY); |
| 512 | } |
| 513 | |
| 514 | /** Tcl to Python **/ |
| 515 | |
| 516 | static PyObject * |
| 517 | Tkapp_GetInt (self, args) |
| 518 | PyObject *self; |
| 519 | PyObject *args; |
| 520 | { |
| 521 | char *s; |
| 522 | int v; |
| 523 | |
| 524 | if (!PyArg_Parse (args, "s", &s)) |
| 525 | return NULL; |
| 526 | if (Tcl_GetInt (Tkapp_Interp (self), s, &v) == TCL_ERROR) |
| 527 | return Tkinter_Error (self); |
| 528 | return Py_BuildValue ("i", v); |
| 529 | } |
| 530 | |
| 531 | static PyObject * |
| 532 | Tkapp_GetDouble (self, args) |
| 533 | PyObject *self; |
| 534 | PyObject *args; |
| 535 | { |
| 536 | char *s; |
| 537 | double v; |
| 538 | |
| 539 | if (!PyArg_Parse (args, "s", &s)) |
| 540 | return NULL; |
| 541 | if (Tcl_GetDouble (Tkapp_Interp (self), s, &v) == TCL_ERROR) |
| 542 | return Tkinter_Error (self); |
| 543 | return Py_BuildValue ("d", v); |
| 544 | } |
| 545 | |
| 546 | static PyObject * |
| 547 | Tkapp_GetBoolean (self, args) |
| 548 | PyObject *self; |
| 549 | PyObject *args; |
| 550 | { |
| 551 | char *s; |
| 552 | int v; |
| 553 | |
| 554 | if (!PyArg_Parse (args, "s", &s)) |
| 555 | return NULL; |
| 556 | if (Tcl_GetBoolean (Tkapp_Interp (self), s, &v) == TCL_ERROR) |
| 557 | return Tkinter_Error (self); |
| 558 | return Py_BuildValue ("i", v); |
| 559 | } |
| 560 | |
| 561 | static PyObject * |
| 562 | Tkapp_ExprString (self, args) |
| 563 | PyObject *self; |
| 564 | PyObject *args; |
| 565 | { |
| 566 | char *s; |
| 567 | |
| 568 | if (!PyArg_Parse (args, "s", &s)) |
| 569 | return NULL; |
| 570 | if (Tcl_ExprString (Tkapp_Interp (self), s) == TCL_ERROR) |
| 571 | return Tkinter_Error (self); |
| 572 | return Py_BuildValue ("s", Tkapp_Result (self)); |
| 573 | } |
| 574 | |
| 575 | static PyObject * |
| 576 | Tkapp_ExprLong (self, args) |
| 577 | PyObject *self; |
| 578 | PyObject *args; |
| 579 | { |
| 580 | char *s; |
| 581 | long v; |
| 582 | |
| 583 | if (!PyArg_Parse (args, "s", &s)) |
| 584 | return NULL; |
| 585 | if (Tcl_ExprLong (Tkapp_Interp (self), s, &v) == TCL_ERROR) |
| 586 | return Tkinter_Error (self); |
| 587 | return Py_BuildValue ("l", v); |
| 588 | } |
| 589 | |
| 590 | static PyObject * |
| 591 | Tkapp_ExprDouble (self, args) |
| 592 | PyObject *self; |
| 593 | PyObject *args; |
| 594 | { |
| 595 | char *s; |
| 596 | double v; |
| 597 | |
| 598 | if (!PyArg_Parse (args, "s", &s)) |
| 599 | return NULL; |
| 600 | if (Tcl_ExprDouble (Tkapp_Interp (self), s, &v) == TCL_ERROR) |
| 601 | return Tkinter_Error (self); |
| 602 | return Py_BuildValue ("d", v); |
| 603 | } |
| 604 | |
| 605 | static PyObject * |
| 606 | Tkapp_ExprBoolean (self, args) |
| 607 | PyObject *self; |
| 608 | PyObject *args; |
| 609 | { |
| 610 | char *s; |
| 611 | int v; |
| 612 | |
| 613 | if (!PyArg_Parse (args, "s", &s)) |
| 614 | return NULL; |
| 615 | if (Tcl_ExprBoolean (Tkapp_Interp (self), s, &v) == TCL_ERROR) |
| 616 | return Tkinter_Error (self); |
| 617 | return Py_BuildValue ("i", v); |
| 618 | } |
| 619 | |
| 620 | static PyObject * |
| 621 | Tkapp_SplitList (self, args) |
| 622 | PyObject *self; |
| 623 | PyObject *args; |
| 624 | { |
| 625 | char *list; |
| 626 | int argc; |
| 627 | char **argv; |
| 628 | PyObject *v; |
| 629 | int i; |
| 630 | |
| 631 | if (!PyArg_Parse (args, "s", &list)) |
| 632 | return NULL; |
| 633 | |
| 634 | if (Tcl_SplitList (Tkapp_Interp (self), list, &argc, &argv) == TCL_ERROR) |
| 635 | return Tkinter_Error (self); |
| 636 | |
| 637 | v = PyTuple_New (argc); |
| 638 | for (i = 0; i < argc; i++) |
| 639 | PyTuple_SetItem (v, i, PyString_FromString (argv[i])); |
| 640 | |
| 641 | free (argv); |
| 642 | return v; |
| 643 | } |
| 644 | |
| 645 | static PyObject * |
| 646 | Tkapp_Split (self, args) |
| 647 | PyObject *self; |
| 648 | PyObject *args; |
| 649 | { |
| 650 | char *list; |
| 651 | |
| 652 | if (!PyArg_Parse (args, "s", &list)) |
| 653 | return NULL; |
| 654 | return Split (self, list); |
| 655 | } |
| 656 | |
| 657 | static PyObject * |
| 658 | Tkapp_Merge (self, args) |
| 659 | PyObject *self; |
| 660 | PyObject *args; |
| 661 | { |
| 662 | char *s; |
| 663 | PyObject *v; |
| 664 | |
| 665 | s = Merge (args); |
| 666 | v = PyString_FromString (s); |
| 667 | free (s); |
| 668 | return v; |
| 669 | } |
| 670 | |
| 671 | /** Tcl Command **/ |
| 672 | |
| 673 | /* This is the Tcl command that acts as a wrapper for Python |
| 674 | function or method. */ |
| 675 | static int |
| 676 | PythonCmd (clientData, interp, argc, argv) |
| 677 | ClientData clientData; /* Is (self, func) */ |
| 678 | Tcl_Interp *interp; |
| 679 | int argc; |
| 680 | char *argv[]; |
| 681 | { |
| 682 | PyObject *self, *func, *arg, *res, *tmp; |
| 683 | int i; |
| 684 | |
| 685 | self = PyTuple_GetItem ((PyObject *) clientData, 0); |
| 686 | func = PyTuple_GetItem ((PyObject *) clientData, 1); |
| 687 | |
| 688 | /* Create argument list (argv1, ..., argvN) */ |
| 689 | arg = PyTuple_New (argc - 1); |
| 690 | for (i = 0; i < (argc - 1); i++) |
| 691 | PyTuple_SetItem (arg, i, PyString_FromString (argv[i + 1])); |
| 692 | |
| 693 | res = PyEval_CallObject (func, arg); |
| 694 | Py_DECREF (arg); |
Guido van Rossum | d308e2b | 1994-07-07 09:25:12 +0000 | [diff] [blame] | 695 | |
Guido van Rossum | 1846882 | 1994-06-20 07:49:28 +0000 | [diff] [blame] | 696 | if (res == NULL) |
| 697 | return PythonCmd_Error (interp); |
| 698 | |
| 699 | tmp = PyList_New (0); |
| 700 | Tcl_SetResult (Tkapp_Interp (self), AsString (res, tmp), TCL_VOLATILE); |
| 701 | Py_DECREF (res); |
| 702 | Py_DECREF (tmp); |
| 703 | |
| 704 | return TCL_OK; |
| 705 | } |
| 706 | |
| 707 | static void |
| 708 | PythonCmdDelete (clientData) |
| 709 | ClientData clientData; /* Is (self, func) */ |
| 710 | { |
| 711 | Py_DECREF ((PyObject *) clientData); |
| 712 | } |
| 713 | |
| 714 | static PyObject * |
| 715 | Tkapp_CreateCommand (self, args) |
| 716 | PyObject *self; |
| 717 | PyObject *args; |
| 718 | { |
| 719 | char *cmdName; |
| 720 | PyObject *data; |
| 721 | PyObject *func; |
| 722 | |
| 723 | /* Args is: (cmdName, func) */ |
| 724 | if (!PyTuple_Check (args) |
| 725 | || !(PyTuple_Size (args) == 2) |
| 726 | || !PyString_Check (PyTuple_GetItem (args, 0)) |
| 727 | || !(PyMethod_Check (PyTuple_GetItem (args, 1)) |
| 728 | || PyFunction_Check (PyTuple_GetItem (args, 1)))) |
| 729 | { |
| 730 | PyErr_SetString (PyExc_TypeError, "bad argument list"); |
| 731 | return NULL; |
| 732 | } |
| 733 | |
| 734 | cmdName = PyString_AsString (PyTuple_GetItem (args, 0)); |
| 735 | func = PyTuple_GetItem (args, 1); |
| 736 | |
| 737 | data = PyTuple_New (2); /* ClientData is: (self, func) */ |
| 738 | |
| 739 | Py_INCREF (self); |
| 740 | PyTuple_SetItem (data, 0, self); |
| 741 | |
| 742 | Py_INCREF (func); |
| 743 | PyTuple_SetItem (data, 1, func); |
| 744 | |
| 745 | Tcl_CreateCommand (Tkapp_Interp (self), cmdName, PythonCmd, |
| 746 | (ClientData) data, PythonCmdDelete); |
| 747 | |
| 748 | Py_INCREF (Py_None); |
| 749 | return Py_None; |
| 750 | } |
| 751 | |
| 752 | static PyObject * |
| 753 | Tkapp_DeleteCommand (self, args) |
| 754 | PyObject *self; |
| 755 | PyObject *args; |
| 756 | { |
| 757 | char *cmdName; |
| 758 | |
| 759 | if (!PyArg_Parse (args, "s", &cmdName)) |
| 760 | return NULL; |
| 761 | if (Tcl_DeleteCommand (Tkapp_Interp (self), cmdName) == -1) |
| 762 | { |
| 763 | PyErr_SetString (Tkinter_TclError, "can't delete Tcl command"); |
| 764 | return NULL; |
| 765 | } |
| 766 | Py_INCREF (Py_None); |
| 767 | return Py_None; |
| 768 | } |
| 769 | |
| 770 | /** File Handler **/ |
| 771 | |
| 772 | void |
| 773 | FileHandler (clientData, mask) |
Guido van Rossum | 7687522 | 1994-06-27 07:59:42 +0000 | [diff] [blame] | 774 | ClientData clientData; /* Is: (func, file) */ |
Guido van Rossum | 1846882 | 1994-06-20 07:49:28 +0000 | [diff] [blame] | 775 | int mask; |
| 776 | { |
Guido van Rossum | 7687522 | 1994-06-27 07:59:42 +0000 | [diff] [blame] | 777 | PyObject *func, *file, *arg, *res; |
Guido van Rossum | 1846882 | 1994-06-20 07:49:28 +0000 | [diff] [blame] | 778 | |
Guido van Rossum | 7687522 | 1994-06-27 07:59:42 +0000 | [diff] [blame] | 779 | func = PyTuple_GetItem ((PyObject *) clientData, 0); |
| 780 | file = PyTuple_GetItem ((PyObject *) clientData, 1); |
Guido van Rossum | 1846882 | 1994-06-20 07:49:28 +0000 | [diff] [blame] | 781 | |
Guido van Rossum | 7687522 | 1994-06-27 07:59:42 +0000 | [diff] [blame] | 782 | arg = Py_BuildValue ("(Oi)", file, (long) mask); |
Guido van Rossum | 1846882 | 1994-06-20 07:49:28 +0000 | [diff] [blame] | 783 | res = PyEval_CallObject (func, arg); |
| 784 | Py_DECREF (arg); |
| 785 | if (res == NULL) |
| 786 | { |
| 787 | errorInCmd = 1; |
| 788 | PyErr_GetAndClear (&excInCmd, &valInCmd); |
| 789 | } |
Guido van Rossum | 9bb4fd6 | 1994-08-09 14:15:19 +0000 | [diff] [blame] | 790 | Py_XDECREF (res); |
| 791 | } |
| 792 | |
| 793 | static int |
| 794 | GetFileNo (file) |
| 795 | PyObject *file; /* Either an int >= 0 or an object with a |
| 796 | .fileno() method that returns an int >= 0 */ |
| 797 | { |
| 798 | object *meth, *args, *res; |
| 799 | int id; |
| 800 | if (PyInt_Check(file)) { |
| 801 | id = PyInt_AsLong(file); |
| 802 | if (id < 0) |
| 803 | PyErr_SetString(PyExc_ValueError, "invalid file id"); |
| 804 | return id; |
| 805 | } |
| 806 | meth = PyObject_GetAttrString(file, "fileno"); |
| 807 | if (meth == NULL) |
| 808 | return -1; |
| 809 | args = PyTuple_New(0); |
| 810 | if (args == NULL) |
| 811 | return -1; |
| 812 | res = PyEval_CallObject(meth, args); |
| 813 | Py_DECREF(args); |
| 814 | Py_DECREF(meth); |
| 815 | if (res == NULL) |
| 816 | return -1; |
| 817 | if (PyInt_Check(res)) |
| 818 | id = PyInt_AsLong(res); |
| 819 | else |
| 820 | id = -1; |
| 821 | if (id < 0) |
| 822 | PyErr_SetString(PyExc_ValueError, |
| 823 | "invalid fileno() return value"); |
| 824 | Py_DECREF(res); |
| 825 | return id; |
Guido van Rossum | 1846882 | 1994-06-20 07:49:28 +0000 | [diff] [blame] | 826 | } |
| 827 | |
| 828 | static PyObject * |
| 829 | Tkapp_CreateFileHandler (self, args) |
| 830 | PyObject *self; |
| 831 | PyObject *args; /* Is (file, mask, func) */ |
| 832 | { |
Guido van Rossum | 7687522 | 1994-06-27 07:59:42 +0000 | [diff] [blame] | 833 | PyObject *file, *func, *data; |
| 834 | int mask, id; |
Guido van Rossum | 1846882 | 1994-06-20 07:49:28 +0000 | [diff] [blame] | 835 | |
| 836 | if (!PyArg_Parse (args, "(OiO)", &file, &mask, &func)) |
| 837 | return NULL; |
Guido van Rossum | 9bb4fd6 | 1994-08-09 14:15:19 +0000 | [diff] [blame] | 838 | id = GetFileNo (file); |
| 839 | if (id < 0) |
| 840 | return NULL; |
| 841 | if (!(PyMethod_Check(func) || PyFunction_Check(func))) |
Guido van Rossum | 1846882 | 1994-06-20 07:49:28 +0000 | [diff] [blame] | 842 | { |
| 843 | PyErr_SetString (PyExc_TypeError, "bad argument list"); |
| 844 | return NULL; |
| 845 | } |
| 846 | |
Guido van Rossum | 7687522 | 1994-06-27 07:59:42 +0000 | [diff] [blame] | 847 | /* ClientData is: (func, file) */ |
| 848 | data = Py_BuildValue ("(OO)", func, file); |
| 849 | |
Guido van Rossum | 7687522 | 1994-06-27 07:59:42 +0000 | [diff] [blame] | 850 | Tk_CreateFileHandler (id, mask, FileHandler, (ClientData) data); |
Guido van Rossum | 1846882 | 1994-06-20 07:49:28 +0000 | [diff] [blame] | 851 | /* XXX fileHandlerDict */ |
Guido van Rossum | 7687522 | 1994-06-27 07:59:42 +0000 | [diff] [blame] | 852 | |
Guido van Rossum | 1846882 | 1994-06-20 07:49:28 +0000 | [diff] [blame] | 853 | Py_INCREF (Py_None); |
| 854 | return Py_None; |
| 855 | } |
| 856 | |
| 857 | static PyObject * |
| 858 | Tkapp_DeleteFileHandler (self, args) |
| 859 | PyObject *self; |
| 860 | PyObject *args; /* Args: file */ |
| 861 | { |
Guido van Rossum | 9bb4fd6 | 1994-08-09 14:15:19 +0000 | [diff] [blame] | 862 | PyObject *file; |
Guido van Rossum | 1846882 | 1994-06-20 07:49:28 +0000 | [diff] [blame] | 863 | int id; |
| 864 | |
Guido van Rossum | 9bb4fd6 | 1994-08-09 14:15:19 +0000 | [diff] [blame] | 865 | if (!PyArg_Parse (args, "O", &file)) |
| 866 | return NULL; |
| 867 | id = GetFileNo (file); |
| 868 | if (id < 0) |
| 869 | return NULL; |
Guido van Rossum | 1846882 | 1994-06-20 07:49:28 +0000 | [diff] [blame] | 870 | |
Guido van Rossum | 1846882 | 1994-06-20 07:49:28 +0000 | [diff] [blame] | 871 | Tk_DeleteFileHandler (id); |
| 872 | /* XXX fileHandlerDict */ |
| 873 | Py_INCREF (Py_None); |
| 874 | return Py_None; |
| 875 | } |
| 876 | |
| 877 | /** Event Loop **/ |
| 878 | |
Guido van Rossum | 1846882 | 1994-06-20 07:49:28 +0000 | [diff] [blame] | 879 | static PyObject * |
| 880 | Tkapp_MainLoop (self, args) |
| 881 | PyObject *self; |
| 882 | PyObject *args; |
| 883 | { |
| 884 | if (!PyArg_Parse (args, "")) |
| 885 | return NULL; |
| 886 | |
| 887 | quitMainLoop = 0; |
| 888 | while (tk_NumMainWindows > 0 && !quitMainLoop && !errorInCmd) |
| 889 | { |
| 890 | if (PyOS_InterruptOccurred ()) |
| 891 | { |
| 892 | PyErr_SetNone (PyExc_KeyboardInterrupt); |
| 893 | return NULL; |
| 894 | } |
| 895 | Tk_DoOneEvent (0); |
| 896 | } |
| 897 | |
| 898 | if (errorInCmd) |
| 899 | { |
| 900 | errorInCmd = 0; |
| 901 | PyErr_SetObject (excInCmd, valInCmd); |
| 902 | return NULL; |
| 903 | } |
| 904 | Py_INCREF (Py_None); |
| 905 | return Py_None; |
| 906 | } |
| 907 | |
| 908 | static PyObject * |
| 909 | Tkapp_Quit (self, args) |
| 910 | PyObject *self; |
| 911 | PyObject *args; |
| 912 | { |
| 913 | |
| 914 | if (!PyArg_Parse (args, "")) |
| 915 | return NULL; |
| 916 | quitMainLoop = 1; |
| 917 | Py_INCREF (Py_None); |
| 918 | return Py_None; |
| 919 | } |
| 920 | |
| 921 | /**** Tkapp Method List ****/ |
| 922 | |
| 923 | static PyMethodDef Tkapp_methods[] = |
| 924 | { |
| 925 | {"call", Tkapp_Call}, |
| 926 | {"globalcall", Tkapp_GlobalCall}, |
| 927 | {"eval", Tkapp_Eval}, |
| 928 | {"globaleval", Tkapp_GlobalEval}, |
| 929 | {"evalfile", Tkapp_EvalFile}, |
| 930 | {"record", Tkapp_Record}, |
| 931 | {"adderrorinfo", Tkapp_AddErrorInfo}, |
| 932 | {"setvar", Tkapp_SetVar}, |
| 933 | {"globalsetvar", Tkapp_GlobalSetVar}, |
| 934 | {"getvar", Tkapp_GetVar}, |
| 935 | {"globalgetvar", Tkapp_GlobalGetVar}, |
| 936 | {"unsetvar", Tkapp_UnsetVar}, |
| 937 | {"globalunsetvar", Tkapp_GlobalUnsetVar}, |
| 938 | {"getint", Tkapp_GetInt}, |
| 939 | {"getdouble", Tkapp_GetDouble}, |
| 940 | {"getboolean", Tkapp_GetBoolean}, |
| 941 | {"exprstring", Tkapp_ExprString}, |
| 942 | {"exprlong", Tkapp_ExprLong}, |
| 943 | {"exprdouble", Tkapp_ExprDouble}, |
| 944 | {"exprboolean", Tkapp_ExprBoolean}, |
| 945 | {"splitlist", Tkapp_SplitList}, |
| 946 | {"split", Tkapp_Split}, |
| 947 | {"merge", Tkapp_Merge}, |
| 948 | {"createcommand", Tkapp_CreateCommand}, |
| 949 | {"deletecommand", Tkapp_DeleteCommand}, |
| 950 | {"createfilehandler", Tkapp_CreateFileHandler}, |
| 951 | {"deletefilehandler", Tkapp_DeleteFileHandler}, |
| 952 | {"mainloop", Tkapp_MainLoop}, |
| 953 | {"quit", Tkapp_Quit}, |
| 954 | {NULL, NULL} |
| 955 | }; |
| 956 | |
| 957 | /**** Tkapp Type Methods ****/ |
| 958 | |
| 959 | static void |
| 960 | Tkapp_Dealloc (self) |
| 961 | PyObject *self; |
| 962 | { |
| 963 | Tk_DestroyWindow (Tkapp_Tkwin (self)); |
| 964 | Tcl_DeleteInterp (Tkapp_Interp (self)); |
| 965 | PyMem_DEL (self); |
| 966 | } |
| 967 | |
| 968 | static PyObject * |
| 969 | Tkapp_GetAttr (self, name) |
| 970 | PyObject *self; |
| 971 | char *name; |
| 972 | { |
| 973 | return Py_FindMethod (Tkapp_methods, self, name); |
| 974 | } |
| 975 | |
| 976 | static PyTypeObject Tkapp_Type = |
| 977 | { |
| 978 | OB_HEAD_INIT (&PyType_Type) |
| 979 | 0, /*ob_size */ |
| 980 | "tkapp", /*tp_name */ |
| 981 | sizeof (TkappObject), /*tp_basicsize */ |
| 982 | 0, /*tp_itemsize */ |
| 983 | Tkapp_Dealloc, /*tp_dealloc */ |
| 984 | 0, /*tp_print */ |
| 985 | Tkapp_GetAttr, /*tp_getattr */ |
| 986 | 0, /*tp_setattr */ |
| 987 | 0, /*tp_compare */ |
| 988 | 0, /*tp_repr */ |
| 989 | 0, /*tp_as_number */ |
| 990 | 0, /*tp_as_sequence */ |
| 991 | 0, /*tp_as_mapping */ |
| 992 | 0, /*tp_hash */ |
| 993 | }; |
| 994 | |
| 995 | /**** Tkinter Module ****/ |
| 996 | |
| 997 | static PyObject * |
| 998 | Tkinter_Create (self, args) |
| 999 | PyObject *self; |
| 1000 | PyObject *args; |
| 1001 | { |
| 1002 | char *screenName = NULL; |
| 1003 | char *baseName; |
| 1004 | char *className; |
| 1005 | int interactive = 0; |
| 1006 | |
| 1007 | baseName = strrchr (getprogramname (), '/'); |
| 1008 | if (baseName != NULL) |
| 1009 | baseName++; |
| 1010 | else |
| 1011 | baseName = getprogramname (); |
| 1012 | className = "Tk"; |
| 1013 | |
| 1014 | if (PyArg_Parse (args, "")) |
| 1015 | /* VOID */ ; |
| 1016 | else if (PyArg_Parse (args, "z", |
| 1017 | &screenName)) |
| 1018 | /* VOID */ ; |
| 1019 | else if (PyArg_Parse (args, "(zs)", |
| 1020 | &screenName, &baseName)) |
| 1021 | /* VOID */ ; |
| 1022 | else if (PyArg_Parse (args, "(zss)", |
| 1023 | &screenName, &baseName, &className)) |
| 1024 | /* VOID */ ; |
| 1025 | else if (PyArg_Parse (args, "(zssi)", |
| 1026 | &screenName, &baseName, &className, &interactive)) |
| 1027 | /* VOID */ ; |
| 1028 | else |
| 1029 | return NULL; |
| 1030 | |
| 1031 | return (PyObject *) Tkapp_New (screenName, baseName, className, |
| 1032 | interactive); |
| 1033 | } |
| 1034 | |
| 1035 | static PyMethodDef moduleMethods[] = |
| 1036 | { |
| 1037 | {"create", Tkinter_Create}, |
| 1038 | {NULL, NULL} |
| 1039 | }; |
| 1040 | |
| 1041 | #ifdef WITH_READLINE |
| 1042 | static int |
| 1043 | EventHook () |
| 1044 | { |
| 1045 | if (errorInCmd) /* XXX Reset tty */ |
| 1046 | { |
| 1047 | errorInCmd = 0; |
| 1048 | PyErr_SetObject (excInCmd, valInCmd); |
| 1049 | PyErr_Print (); |
| 1050 | } |
| 1051 | if (tk_NumMainWindows > 0) |
Guido van Rossum | e2ca9bd | 1994-08-03 08:01:43 +0000 | [diff] [blame] | 1052 | Tk_DoOneEvent (TK_DONT_WAIT); |
Guido van Rossum | 1846882 | 1994-06-20 07:49:28 +0000 | [diff] [blame] | 1053 | return 0; |
| 1054 | } |
| 1055 | #endif /* WITH_READLINE */ |
| 1056 | |
| 1057 | static void |
Guido van Rossum | d308e2b | 1994-07-07 09:25:12 +0000 | [diff] [blame] | 1058 | Tkinter_Cleanup () |
| 1059 | { |
| 1060 | /* XXX rl_deprep_terminal is static, damned! */ |
| 1061 | while (tkMainWindowList != 0) |
| 1062 | Tk_DestroyWindow (tkMainWindowList->win); |
| 1063 | } |
| 1064 | |
Guido van Rossum | 1846882 | 1994-06-20 07:49:28 +0000 | [diff] [blame] | 1065 | void |
| 1066 | PyInit_tkinter () |
| 1067 | { |
Guido van Rossum | d308e2b | 1994-07-07 09:25:12 +0000 | [diff] [blame] | 1068 | static inited = 0; |
| 1069 | |
Guido van Rossum | 1846882 | 1994-06-20 07:49:28 +0000 | [diff] [blame] | 1070 | #ifdef WITH_READLINE |
| 1071 | extern int (*rl_event_hook) (); |
| 1072 | #endif /* WITH_READLINE */ |
| 1073 | PyObject *m, *d, *v; |
| 1074 | |
| 1075 | m = Py_InitModule ("tkinter", moduleMethods); |
| 1076 | |
| 1077 | d = PyModule_GetDict (m); |
| 1078 | Tkinter_TclError = Py_BuildValue ("s", "TclError"); |
| 1079 | PyDict_SetItemString (d, "TclError", Tkinter_TclError); |
| 1080 | |
| 1081 | v = Py_BuildValue ("i", TK_READABLE); |
| 1082 | PyDict_SetItemString (d, "READABLE", v); |
| 1083 | v = Py_BuildValue ("i", TK_WRITABLE); |
| 1084 | PyDict_SetItemString (d, "WRITABLE", v); |
| 1085 | v = Py_BuildValue ("i", TK_EXCEPTION); |
| 1086 | PyDict_SetItemString (d, "EXCEPTION", v); |
| 1087 | |
Guido van Rossum | 1846882 | 1994-06-20 07:49:28 +0000 | [diff] [blame] | 1088 | #ifdef WITH_READLINE |
| 1089 | rl_event_hook = EventHook; |
| 1090 | #endif /* WITH_READLINE */ |
| 1091 | |
Guido van Rossum | d308e2b | 1994-07-07 09:25:12 +0000 | [diff] [blame] | 1092 | if (!inited) |
| 1093 | { |
| 1094 | inited = 1; |
Guido van Rossum | e4485b0 | 1994-09-07 14:32:49 +0000 | [diff] [blame^] | 1095 | if (Py_AtExit (Tkinter_Cleanup) != 0) |
| 1096 | fprintf(stderr, |
| 1097 | "Tkinter: warning: cleanup procedure not registered\n"); |
Guido van Rossum | d308e2b | 1994-07-07 09:25:12 +0000 | [diff] [blame] | 1098 | } |
| 1099 | |
Guido van Rossum | 1846882 | 1994-06-20 07:49:28 +0000 | [diff] [blame] | 1100 | if (PyErr_Occurred ()) |
| 1101 | Py_FatalError ("can't initialize module tkinter"); |
| 1102 | } |